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Description
  • To protect against thermal overload of motors caused by high switching frequency, havy duty starting, phase failure on one phase, bad cooling, high ambient temperature
  • Temperature monitoring of bearings, transmissions, oil and cooling liquids
Technical specifications
Auxiliary voltage: AC, AC/DC
Classification: Thermistor-Motorschutz
Enclosure design: Switch cabinet
Measuring range max.: > 3.8 kΩ
Output contacts: 2 C/O contacts
Type: MK 9163N ATEX
Width: 22,5 mm

News 2024.02

All product innovations and highlights at a glance!
News

News 2024.02

All product innovations and highlights at a glance!
Advantages / Customer benefits
  • Reliable temperature monitoring of motors
  • Rapid fault location
Features
  • According to EN 60947-5-1, EN 60947-8, EN 60079-14, EN 61508, EN 50495, EN 13849
  • Monitioring of
    - overtemperature
    - broken wire detection in sensor circuit
    - short circuit detection in sensor circuit
  • 1 input for 3 or 6 PTC-resistors
  • De-energized on trip
  • LED-indicator for
    - auxiliary supply
    - state of contact
  • Output with 2 changeover contacts
  • As option with manual reset, internal reset button and external remote reset X1/X2
  • Wire connection: also 2 x 1.5 mm2 stranded ferruled, or 2 x 2.5 mm2 solid
    DIN 46 228-1/-2/-3/-4
  • As option with pluggable terminal blocks for easy exchange of devices
    - with screw terminals
    - or with cage clamp terminals
  • Width 22.5 mm